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[MIR] Make InlineAsm a Statement - #39854
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Previously InlineAsm was an Rvalue, but its semantics doesn’t really match the semantics of an Rvalue – rather it behaves more like a Statement.
| // asm. | ||
| } | ||
| // FIXME: rvalue with undeterminable type - e.g. AggregateKind::Array branch that | ||
| // returns `None`. |
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If I understand correctly, this case (the only remaining case that returns None now that InlineAsm is gone) is for empty arrays. I think that returning [!; 0] would be the correct behavior, removing the need to return an Option.
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At least currently [T; 0] is not a subtype of [!; 0] so no, that would not work.
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I think the problem is that Array ought to carry the type of its elements.
nikomatsakis
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Feb 16, 2017
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@bors r+ |
bors
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Feb 16, 2017
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📌 Commit 4a3c66a has been approved by |
nikomatsakis
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Feb 16, 2017
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Thanks @nagisa ! |
GuillaumeGomez added a commit
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Feb 16, 2017
[MIR] Make InlineAsm a Statement Previously InlineAsm was an Rvalue, but its semantics doesn’t really match the semantics of an Rvalue – rather it behaves more like a Statement. r? @nikomatsakis you wanted this to happen
frewsxcv added a commit
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Feb 17, 2017
[MIR] Make InlineAsm a Statement Previously InlineAsm was an Rvalue, but its semantics doesn’t really match the semantics of an Rvalue – rather it behaves more like a Statement. r? @nikomatsakis you wanted this to happen
frewsxcv added a commit
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Feb 17, 2017
[MIR] Make InlineAsm a Statement Previously InlineAsm was an Rvalue, but its semantics doesn’t really match the semantics of an Rvalue – rather it behaves more like a Statement. r? @nikomatsakis you wanted this to happen
alexcrichton
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Feb 18, 2017
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@bors: retry |
bors
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Feb 18, 2017
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bors added a commit
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Feb 18, 2017
[MIR] Make InlineAsm a Statement Previously InlineAsm was an Rvalue, but its semantics doesn't really match the semantics of an Rvalue - rather it behaves more like a Statement. r? @nikomatsakis you wanted this to happen
bors
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Feb 18, 2017
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☀️ Test successful - status-appveyor, status-travis |
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Previously InlineAsm was an Rvalue, but its semantics doesn't really match the semantics of an
Rvalue - rather it behaves more like a Statement.
r? @nikomatsakis you wanted this to happen